Hardware Spec Index

Strivon HD-9921 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Strivon · SKU HD9921-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,214 (Hard Drives scale)
Category rank#5,597
Street price$119
Power5 W
Performance per dollar10.20
Released2024

Specifications

BrandStrivon
ModelStrivon HD-9921 Ultra
Capacity4 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

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Cite this page: Hardware Spec Index, “Strivon HD-9921 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/43660984 (accessed 2026-10-20).